... Passivation Paste Gel STAR Gel,passivisation of stainless steel, STAR 100, STAR Gel(Pickling Paste Gel ) STAR Spray, STAR Dip, STAR Passivisation Chemical, ... weld passivisation, pickling paste stainless steel, welding scale remover. STAR chemicals are tested & approved by I. I. T. ... contract for pickling & passivation of S. S. Equipments, vessels at the site. STAR chemicals are well accepted by many ...